CN211319411U

CN211319411U - Multi-functional english teaching display device

Info

Publication number: CN211319411U
Application number: CN201922232011.3U
Authority: CN
Inventors: 周萌
Original assignee: Yantai Vocational College
Current assignee: Yantai Vocational College
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-21
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a multi-functional english teaching display device, the on-line screen storage device comprises a base, both ends department welding is equipped with the support column above the base, the welding is equipped with the blank between the support column above, four corners department welding is equipped with the auto-lock universal wheel below the base, all fixed elevating gear that is equipped with on the both sides face of blank, elevating gear stretches out and fixes between the end and be equipped with the lifter plate, the department is equipped with the through-hole of two symmetries in the middle of the higher authority of lifter plate, above the blank in the middle of the department be equipped with two with the corresponding deep trouth of through-hole, communicate above the lifter plate the through-hole extends to the lifter plate is preceding to be equipped with the breach, passes breach, through-hole extend. The utility model has the advantages that: has the advantages of simple structure, self-contained multimedia equipment and the like.

Description

Multi-functional english teaching display device

Technical Field

The utility model relates to a teaching facility technical field specifically indicates a multi-functional english teaching display device.

Background

English teaching refers to the process of teaching english to persons whose english language is or is not the first language. When english teaching or other each science and education, all need utilize the show board to write the show, especially to the popularization of the poor regional student's of condition english education especially important.

However, the existing display board for English education in areas with poor conditions is a small blackboard or a small white board for chalk writing or sign pen writing for teaching, and multimedia can not be installed on the top of a classroom like in more developed areas, so that the popularization rate of English is low and the time consumption for receiving English is long.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve foretell various problems, provide a simple structure, from multi-functional english teaching display device who has multimedia device.

In order to solve the technical problem, the utility model provides a technical scheme does: a multifunctional English teaching display device comprises a base, wherein support columns are welded at two ends of the upper surface of the base, a white board is welded between the upper surfaces of the support columns, self-locking universal wheels are welded at four corners of the lower surface of the base, lifting devices are fixedly arranged on two side surfaces of the white board, a lifting board is fixedly arranged between extending ends of the lifting devices, two symmetrical through holes are arranged in the middle of the upper surface of the lifting board, two deep grooves corresponding to the through holes are arranged in the middle of the upper surface of the white board, a notch is arranged in the upper surface of the lifting board and communicated with the through holes and extends to the front of the lifting board, a telescopic projection device is arranged in the deep grooves and penetrates through the notch and the through holes and extends to the deep grooves, the telescopic projection device comprises a first insertion rod inserted in the deep grooves, a rod piece is hinged to the other end surface of the first insertion rod, the rod piece extends out of the other end, inserting a second inserting rod in the second deep groove, uniformly arranging a plurality of threaded holes in two sides of the second inserting rod, arranging a fixing bolt in threaded connection with one of the threaded holes in the side surface of the rod piece, wherein the other end of the second inserting rod is hinged with a projection device, and arranging a cover plate above the gap through bolt fixation on the lifting plate.

As an improvement, the lifting device comprises a protective shell which is fixedly arranged on two side faces of the white board through bolts, hydraulic cylinders are fixedly arranged in the protective shell through the bolts, hydraulic pumps are arranged on the side faces of the hydraulic cylinders, a liquid inlet pipe and a liquid outlet pipe are communicated between the hydraulic pumps, and the hydraulic cylinders extend out of the extending ends on the protective shell and are fixedly connected with the lower face of the lifting board through the bolts.

As an improvement, reinforcing plates are welded between the front side surface and the rear side surface of the supporting column and the upper surface of the base.

As an improvement, an L-shaped plate for placing a blackboard eraser and a marking pen is fixedly arranged at the lower end of the front face of the white board.

Compared with the prior art, the utility model the advantage lie in: when the utility model is used, the telescopic projection device can control the projection equipment to extend out and retract and the distance from the front of the white board through the splicing and the extension among the first inserted bar, the second inserted bar, the rod piece, the deep groove and the second deep groove, thereby adjusting the projection effect; the cover plate can be fixed after the telescopic projection device extends out, so that the telescopic projection device is stable and reliable; the lifting device can control the overall height of the telescopic projection device through the extension and retraction of the hydraulic cylinder, so that the display effect of projection can be further adjusted; the utility model discloses holistic setting can carry out simple projection show in the relatively poor area of condition, can make the student stronger to the receptivity of english, more easily to the popularization of english.

Drawings

Fig. 1 is the utility model relates to a multi-functional english teaching display device's orthographic view structure schematic diagram.

Fig. 2 is the utility model relates to a structure schematic is looked to multi-functional english teaching display device's right side.

Fig. 3 is the utility model relates to a structural schematic diagram is looked to multi-functional english teaching display device's flexible projection arrangement right side.

Fig. 4 is the utility model relates to a multi-functional english teaching display device's a local enlarged structure schematic diagram of department.

Fig. 5 is the utility model relates to a multi-functional english teaching display device's B department local enlarged structure schematic diagram.

As shown in the figure: 1. a base; 2. a support pillar; 3. a white board; 4. a self-locking universal wheel; 5. a lifting plate; 6. deep grooves; 7. inserting a first rod; 8. a rod member; 9. a second deep groove; 10. a second inserted link; 11. a threaded hole; 12. fixing the bolt; 13. a projection device; 14. a cover plate; 15. a protective housing; 16. A hydraulic cylinder; 17. a hydraulic pump; 18. a reinforcing plate; 19. an L-shaped plate; 20. and (4) a notch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a multifunctional english teaching demonstration apparatus comprises a base 1, wherein support columns 2 are welded at two ends of the upper surface of the base 1, a white board 3 is welded between the support columns 2, self-locking universal wheels 4 are welded at four corners of the lower surface of the base 1, lifting devices are fixed on two side surfaces of the white board 3, a lifting plate 5 is fixed between extending ends of the lifting devices, two symmetrical through holes are arranged in the middle of the upper surface of the lifting plate 5, two deep grooves 6 corresponding to the through holes are arranged in the middle of the upper surface of the white board 3, a notch 20 is arranged on the upper surface of the lifting plate 5 and communicated with the through holes and extends to the front surface of the lifting plate 5, a telescopic projection device is arranged in the deep groove 6 and penetrates through the through hole of the notch 20 and extends to the deep groove 6, and comprises a first insertion rod 7 inserted in the, the articulated member 8 that is equipped with on the other end of inserted bar 7, member 8 stretches out the other end terminal surface of breach 20 just extends to be equipped with two 9 in the deep troughs in the member 8, the interpolation of two 9 deep troughs is equipped with two 10 inserted bars, evenly be equipped with a plurality of screw hole 11 on two 10 sides of inserted bar, threaded connection is equipped with one of them on the 8 sides of member threaded connection screw hole 11 corresponds threaded connection's fixing bolt 12, the articulated projecting apparatus 13 that is equipped with between the other end of two 10 inserted bars, be equipped with through the bolt fastening above the lifter plate 5 lid in the apron 14 of breach 20 top.

Elevating gear includes to be located through the bolt fastening protection casing 15 on 3 both sides faces of blank, all be equipped with pneumatic cylinder 16 through the bolt fastening in the protection casing 15, all be equipped with hydraulic pump 17 on the side of pneumatic cylinder 16, hydraulic pump 17 with the intercommunication is equipped with feed liquor pipe and drain pipe between the pneumatic cylinder 16, pneumatic cylinder 16 stretches out the end that stretches out above the protection casing 15 with pass through bolt fixed connection below the lifter plate 5.

Reinforcing plates 18 are welded between the front side surface and the rear side surface of the supporting column 2 and the upper surface of the base 1.

An L-shaped plate 19 for placing a blackboard eraser and a marking pen is fixedly arranged at the lower end of the front surface of the white board 3.

The utility model discloses a concrete implementation mode: the utility model discloses when using, can at first pin this device wholly through 4 removal to the position of needs of auto-lock universal wheel, then take member 8 and inserted bar 7 out from deep trouth 6, make member 8 arrange breach 20 in, then fix apron 14 on lifter plate 5 through the bolt, thereby accomplish the fixed to member 8, then can take member 8's length out as required two 10 manual control inserted bars, and flexible through external controller or button control pneumatic cylinder 16, thereby control the holistic height of flexible projection arrangement, adjust the projecting definition of projection equipment 13 projection with this.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A multifunctional English teaching display device comprises a base (1), wherein supporting columns (2) are welded at two ends of the upper surface of the base (1), a white board (3) is welded between the upper surfaces of the supporting columns (2), self-locking universal wheels (4) are welded at four corners of the lower surface of the base (1), the multifunctional English teaching display device is characterized in that lifting devices are fixedly arranged on two side surfaces of the white board (3), a lifting plate (5) is fixedly arranged between extending ends of the lifting devices, two symmetrical through holes are arranged in the middle of the upper surface of the lifting plate (5), two deep grooves (6) corresponding to the through holes are arranged in the middle of the upper surface of the white board (3), the upper surface of the lifting plate (5) is communicated with the through holes and extends to the front of the lifting plate (5) to form a notch (20), the telescopic projection device penetrates through the notch (20) and the through holes and extends to the inside of the deep, the telescopic projection device comprises a first inserted bar (7) inserted in the deep groove (6), a rod piece (8) is hinged to the other end of the first inserted bar (7), the rod piece (8) extends out of the other end face of the notch (20) and extends to a second deep groove (9) formed in the rod piece (8), a second inserted bar (10) is inserted in the second deep groove (9), a plurality of threaded holes (11) are uniformly formed in the side face of the second inserted bar (10), one threaded hole (11) is formed in the side face of the rod piece (8) in a threaded connection mode, a fixing bolt (12) in threaded connection with the corresponding threaded hole (11) is connected with the threaded hole, a projection device (13) is hinged to the other end of the second inserted bar (10), and a cover plate (14) covering the notch (20) is fixedly arranged on the lifting plate (5) through bolts.

2. A multifunctional english teaching demonstration device according to claim 1, characterized in that: elevating gear includes to be located through the bolt fastening protection casing (15) on whiteboard (3) both sides face, all be equipped with pneumatic cylinder (16) through the bolt fastening in protection casing (15), all be equipped with hydraulic pump (17) on the side of pneumatic cylinder (16), hydraulic pump (17) with the intercommunication is equipped with feed liquor pipe and drain pipe between pneumatic cylinder (16), pneumatic cylinder (16) stretch out above protection casing (15) stretch out the end with pass through bolt fixed connection below lifter plate (5).

3. A multifunctional english teaching demonstration device according to claim 1, characterized in that: reinforcing plates (18) are welded between the front side surface and the rear side surface of the supporting column (2) and the upper surface of the base (1).

4. A multifunctional english teaching demonstration device according to claim 1, characterized in that: an L-shaped plate (19) for placing a blackboard eraser and a marking pen is fixedly arranged at the lower end of the front surface of the white board (3).